High Quality API SPEC 5L ERW Welded Steel Pipes Used For Oil, Gas And Petroleum

High Quality API SPEC 5L ERW Welded Steel Pipes Used For Oil, Gas And Petroleum System 1

High Quality API SPEC 5L ERW Welded Steel Pipes Used For Oil, Gas And Petroleum System 2

High Quality API SPEC 5L ERW Welded Steel Pipes Used For Oil, Gas And Petroleum System 3

High Quality API SPEC 5L ERW Welded Steel Pipes Used For Oil, Gas And Petroleum System 4

High Quality API SPEC 5L ERW Welded Steel Pipes Used For Oil, Gas And Petroleum

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Loading Port:: China Main Port

Payment Terms:: TT or L/C

Min Order Qty:: 50MT m.t.

Supply Capability:: based on order m.t./month

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High Quality API SPEC 5L ERW Welded Steel Pipes Used For Oil, Gas And Petroleum

Usage/Applications Of High Quality API SPEC 5L ERW Welded Steel Pipes Used For Oil, Gas And Petroleum:

It is widely applied to line pipe and casing and tubing in oil transportation and casing field, and it is used in Low, high pressure liquid and gassy transportation and it is also good Structure pipe (for furniture, window, door, building , bridge, mechanical etc).

Packaging & Delivery Of High Quality API SPEC 5L ERW Welded Steel Pipes Used For Oil, Gas And Petroleum

Packed by bundles with anti-rust painting and with plastic caps

Delivery by bulk vessel or container.

Standard Of High Quality API SPEC 5L ERW Welded Steel Pipes Used For Oil, Gas And Petroleum:

API SPEC 5L, API SPEC 5CT, ASTM A53, GB/T9711.1

Steel Grade Of High Quality API SPEC 5L ERW Welded Steel Pipes Used For Oil, Gas And Petroleum:

API SPEC 5L: B, X42, X46, X52, X56, X60, X65

API SPEC 5CT: J55, K55, N80, L80-1

ASTM A53: A, B, C

GB/T9711.1:L242、L290、L320、L360、L390、L415、L450

Sizes Of High Quality API SPEC 5L ERW Welded Steel Pipes Used For Oil, Gas And Petroleum:

OD: 1/2"-24"

WT: SCH40-SCHXXS

Length: 5.8M-12M

Standard Of High Quality API SPEC 5L ERW Welded Steel Pipes Used For Oil, Gas And Petroleum:

API SPEC 5L

Mechanical Properties

Standard	Grade	（MPa）		（MPa）
		Yield strength		Tensile Strength
API SPEC 5L	PSL1
	B	≥241		≥414
	×42	≥290		≥414
	×46	≥317		≥434
	×52	≥359		≥455
	×56	≥386		≥490
	×60	≥414		≥517
	×65	≥448		≥531
	×70	≥483		≥565
	PSL2
		Min	Max	Min	Max
	B	241	448	441	758
	×42	290	496	414	758
	×46	317	524	434	758
	×52	359	531	455	758
	×56	386	544	490	758
	×60	414	565	517	758
	×65	448	600	531	758
	×70	483	621	565	758

Chemical Composition (%)

Standard	Grade	C	Mn	P	S	TI	CEV
Standard	Grade	Max	Max	Max	Max	Max	Max
API SPEC 5L	PSL1
	B	0.26	1.2	0.030	0.030	0.04	-
	×42	0.26	1.3	0.030	0.030	0.04
	×46,×52,×56，X60	0.26	1.4	0.030	0.030	0.04
	X65	0.26	1.45	0.030	0.030	0.06
	X70	0.26	1.65	0.030	0.030	0.06
	PSL2
	B	0.22	1.20	0.025	0.015	0.04	0.43
	×42	0.22	1.30	0.025	0.015	0.04
	×46,×52,×56, X60	0.22	1.40	0.025	0.015	0.04
	X65	0.22	1.45	0.025	0.015	0.06
	X70	0.22	1.65	0.025	0.015	0.06

Standard: GB/9711.1

Mechanical Properties

Standard	Grade	（MPa）	（MPa）	Min(%)
Standard	Grade	Yield strength	Tensile Strength	Elongation
GB/T9711.1	L245	≥245	≥415	21
	L290	≥290	≥415	21
	L320	≥320	≥435	20
	L360	≥360	≥460	19
	L390	≥390	≥490	18
	L415	≥415	≥520	17
	L450	≥450	≥535	17
	L485	≥485	≥570	17

Chemical Composition (%)

Standard	Grade	C	Mn	P	S
Standard	Grade	Max	Max	Max	Max
GB/T9711.1	L245	0.26	0.15	0.030	0.030
	L290	0.28	1.25	0.030	0.030
	L320, L360	0.30	1.25	0.030	0.030
	L390, L415	0.26	1.35	0.030	0.030
	L450	0.26	1.40	0.030	0.030
	L485	0.23	1.60	0.025	0.030

Standard: GB/9711.2

Mechanical Properties Of High Quality API SPEC 5L ERW Welded Steel Pipes Used For Oil, Gas And Petroleum:

Standard	Grade	（MPa） Yield strength		（MPa） Tensile Strength		Min(%) Elongation

GB/T9711.2		Rt0.5Min	Rt0.5Max	RmMin	Rt0.5/Rm Max
	L245	245	440		0.80	22
	L245				0.85
	L290	290	440		0.80	21
	L290				0.85
	L360	360	510		0.85	20
	L360				0.85
	L415	415	565		0.85	18
	L415				0.85
	L450	450	570	535	0.87	18
	L485	485	605	570	0.90	18

Chemical Composition Of High Quality API SPEC 5L ERW Welded Steel Pipes Used For Oil, Gas And Petroleum(%):

Standard	Grade	C	Mn	P	S	V	Nb	Ti	CEV
Standard	Grade	Max	Max	Max	Max	Max	Max	Max	Max
GB/T9711.2	L245NB	0.16	1.1	0.025	0.020	-	-	-	0.42
	L290NB	0.17	1.2	0.025	0.020	0.05	0.05	0.04	0.42
	L360NB	0.20	1.6	0.025	0.020	0.10	0.05	0.04	0.45
	L415NB	0.21	1.6	0.025	0.020	0.15	0.05	0.04	-
	L245NB, L290NB	0.16	1.5	0.025	0.020	0.04	0.04	-	0.4
	L360NB	0.16	1.6	0.025	0.020	0.05	0.05	0.04	0.41
	L415NB	0.16	1.6	0.025	0.020	0.08	0.05	0.06	0.42
	L450NB	0.16	1.6	0.025	0.020	0.10	0.05	0.06	0.43
	L485NB	0.16	1.7	0.025	0.020	0.10	0.06	0.06	0.43

High Quality API SPEC 5L ERW Welded Steel Pipes Used For Oil, Gas And Petroleum

Q:What is the maximum operating temperature for steel pipes?: The specific grade of steel used typically determines the maximum operating temperature for steel pipes. Carbon steel pipes, for instance, can generally endure temperatures ranging from 800-1000 degrees Fahrenheit (427-538 degrees Celsius). On the other hand, stainless steel or high-temperature alloys can withstand even higher temperatures, exceeding 1200-1500 degrees Fahrenheit (649-816 degrees Celsius). To determine the precise maximum operating temperature for a particular type of steel pipe, it is crucial to refer to the manufacturer's specifications or industry standards. This is because varying grades and compositions may have distinct temperature limits.

Q:What is the fatigue strength of steel pipes?: The fatigue strength of steel pipes refers to their ability to withstand repeated cyclic loading without experiencing failure. It is a critical characteristic for pipes that are subject to dynamic or fluctuating loads, such as those used in the oil and gas industry, transportation infrastructure, or industrial applications. The fatigue strength of steel pipes can vary depending on several factors, including the steel grade, pipe dimensions, manufacturing process, surface conditions, and environmental factors. Steel pipes with higher tensile strength and toughness generally exhibit better fatigue resistance. The fatigue strength is typically determined through fatigue testing, which involves subjecting the pipes to cyclic loading until failure occurs. The results are then used to establish a fatigue curve or S-N curve, which represents the relationship between the applied stress amplitude and the number of cycles to failure. The fatigue strength is commonly expressed as the stress amplitude required to cause failure after a specific number of cycles, such as the stress amplitude at 10 million cycles (S-N10^7). It is important to note that fatigue strength is influenced by other factors, such as mean stress, surface finish, and loading frequency, which may need to be considered in specific applications. Overall, the fatigue strength of steel pipes is a crucial factor to consider in engineering design and maintenance, as it helps ensure the long-term integrity and reliability of the pipes under cyclic loading conditions.

Q:How do steel pipes handle chemical exposure?: Steel pipes are generally known for their excellent resistance to chemical exposure. The high strength and durability of steel make it a reliable material for handling various chemicals. Steel pipes can withstand exposure to a wide range of corrosive substances such as acids, alkalis, solvents, and gases without experiencing significant degradation or damage. One of the main reasons steel pipes handle chemical exposure well is due to their inherent corrosion resistance. Steel is naturally resistant to corrosion and can form a protective oxide layer on its surface, which acts as a barrier against chemical attack. Additionally, steel pipes can be coated or lined with corrosion-resistant materials such as epoxy, polyethylene, or cement to provide extra protection against aggressive chemicals. Moreover, steel pipes are commonly used in industrial applications where they come into contact with different types of chemicals. They are extensively used in chemical plants, refineries, water treatment facilities, and other industries where chemical transportation or storage is required. Steel pipes can handle the high pressures and temperatures associated with these processes while maintaining their structural integrity and chemical resistance. However, it is important to note that the resistance of steel pipes to chemical exposure can vary depending on the specific type and concentration of the chemical. Some highly corrosive substances may require additional measures such as specialized coatings or alloys to ensure long-term protection. In summary, steel pipes are generally well-suited for handling chemical exposure due to their inherent corrosion resistance, durability, and versatility. Their ability to withstand a wide range of corrosive substances makes them a reliable choice for various industrial applications involving chemical transportation and storage.

Q:What is the difference between Schedule 40 and Schedule 80 steel pipes?: The main difference between Schedule 40 and Schedule 80 steel pipes is their wall thickness. Schedule 80 pipes have a thicker wall compared to Schedule 40 pipes, making them more suitable for high-pressure applications and heavy-duty industrial use.

Q:What are the different methods of pipe cutting for steel pipes?: There are several methods of cutting steel pipes including manual methods such as hacksaw cutting and abrasive cutting, as well as more advanced methods like plasma cutting, laser cutting, and water jet cutting. Each method has its own advantages and is selected based on the specific requirements of the project.

Q:What are the different threading options for steel pipes?: The different threading options for steel pipes include tapered threads (NPT/NPTF), straight threads (UN/UNF), and buttress threads.

Q:How are steel pipes used in the mining and mineral processing industry?: Steel pipes are commonly used in the mining and mineral processing industry for various purposes such as transporting liquids, gases, and slurries, as well as providing structural support for mining infrastructure. These pipes are highly durable and resistant to corrosion, making them suitable for harsh and demanding environments. They are used for tasks such as transporting water for mining operations, carrying tailings and waste materials, and conveying mining chemicals. Additionally, steel pipes are utilized in the construction of mine shafts, tunnels, and processing plants, providing a strong and reliable framework for mining operations.

Q:Can steel pipes withstand high temperatures?: Yes, steel pipes can withstand high temperatures. Steel is a strong and durable material that has high heat resistance. It can retain its strength and structural integrity even when exposed to extreme heat, making it suitable for various high-temperature applications such as industrial furnaces, power plants, and steam pipelines.

Q:Can steel pipes be used for underground sewage treatment plants?: Yes, steel pipes can be used for underground sewage treatment plants. Steel is a durable and strong material that can withstand the harsh conditions found underground, such as soil erosion and pressure. Additionally, steel pipes are resistant to corrosion, which is critical for sewage treatment plants where exposure to chemicals and wastewater is common.

Q:How are steel pipes insulated to prevent noise transmission?: Steel pipes are typically insulated to prevent noise transmission by using materials such as fiberglass or mineral wool wraps. These insulating materials are wrapped around the pipes, creating a barrier that absorbs and dampens sound waves, reducing noise transmission. Additionally, acoustic lagging or jackets can also be applied to further reduce noise and vibration.

As the largest strip-steel production base in china, we can get the advantage of having the lowest goods transport cost. Our company covers an area of 80000 square meter, and transportation here is very convenient. We are mainly engaged in the manufacture and management of high frequency straight seam welded pipe. We now have 11 welded pipe production lines, with daily output of2800-3000 tons of welded pipe ranging from DN15--DN200 (1/2--8 inch),and the designed annual production capacity of 800,000 tons.

1. Manufacturer Overview
Location	Hebei,China
Year Established	2005
Annual Output Value	Above 100 Million RMB
Main Markets	Main land;Middle East;Southeast Asia
Company Certifications	ISO9001

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port	Tianjin；Qingdao
Export Percentage	41% - 50%
No.of Employees in Trade Department
Language Spoken:	English；Chinese；Korean
b)Factory Information
Factory Size:	120mu
No. of Production Lines	11
Contract Manufacturing	OEM Service Offered；Design Service Offered
Product Price Range	High Average